The striped shore crabs' survival is dependent on physiological, structural, and behavioral features. The hard exoskeleton provides protection and prevents dehydration. The claws offer offense and defense capabilities. Behaviorally, being nocturnal, digging for protection or to lay eggs, and dietary adaptability contribute to their survival.
Explanation:The survival of the striped shore crab is dependent on both physiological structural and behavioral features. Physiologically, their exoskeleton provides necessary protection from predators and harsh environmental conditions. This hard, chitinous shell also helps prevent dehydration by reducing water loss. Structurally, their claws are instrumental in both offense and defense, and their compact body allows them to fit into small crevices for protection or to search for food.
With regards to behavior, the striped shore crab is mainly nocturnal, which lowers its exposure to daytime predators and high temperatures. They also have the behavior of digging into the sand to escape predators and to lay eggs, and can adapt their diet based on available food sources, demonstrating behavioral adaptability.
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Kyle does an experiment to test the effectiveness of a new type of fertilizer. He predicts that the fertilizer will make plants grow twice as fast as they would without the fertilizer.
After the experiment is complete, Kyle's collected data show that the fertilizer only worked 60% of the time. Kyle decides to remove the data that contradicts his prediction from his published results so that his published conclusion will show that the fertilizer is 100% effective.
The published results of Kyle's experiment
A.
are invalid because experiments cannot be done on plants.
B.
are valid because the fertilizer was over 50% effective.
C.
are valid because scientists should always throw out contradictory data.
D.
are invalid because they are based on incomplete data.
Answer:
The correct option is D) are invalid because they are based on incomplete data.
Explanation:
A scientist should always show the complete data of results for his research. It is unethical for a researcher to show incomplete data and frame his results based on the incomplete data do that his work gets published. Results based on incomplete data cannot be considered to be valid in scientific research. Manipulation of data is unethical and should never be done in scientific researches. Hence, option D is correct.
Answer:
C
Explanation:
Compare and contrast the structure and function of the plasma membrane to the structure and function of the cell wall.
well usually cell wall helps to maintain the shape of the plant cell which plasma can't do.
both of them controls movement of substances into in and out of the cell.
sturuture:plasma membrane contain outer membrane that surrounds the entire contents of cell and made of protein and phospholids.
cell wall are strong n rigid, made from celllouse fibre and fully permeable
Answer: The plasma membrane is made up of a two lipid layer which contains transport proteins and other carbohydrates. The plasma membrane is a living layer and selectively permits materials to go in and out of the cell. Micro molecules such as water and oxygen gas diffuses in the lipid layer while macro molecules such as glucose and amino acids enters through the help of transport proteins: channel and carrier proteins.
For the cell wall it is made up of cellulose which makes it hard and rigid. The cell wall is a nonliving layer. It supports the cell and gives strength as well.
Explanation:
Explain the relationship between ocean circulation patterns and the marine food chain, and how
this is affected by an El Nino event,
Answer:
Ocean circulation patterns is directly linked with the marine ecosystem. El Nino event hinders the climate interaction of ocean.
Explanation:
The disturbance in the ocean climate interaction transfers the essential nutrients into the deep down ocean leaving very tiny amount at the surface. It lacks the support to plankton growth.Ocean circulation patterns can sometime make the ocean food ecosystem less productive.El Nino event reverses the ocean current. Surface waters in the central and eastern Pacific Ocean become significantly warmer than usual during this event. So the drifting starts towards east direction (normally driven west).Which kind of research would be least likely to affect human society and the
environment?
O
A. Tests that measure the amount of pollution created when making
bags from materials other than paper or plastic
O
B. Observations of the types of injuries to birds and other animals
caused by plastic trash
O
C. Analysis of the existing data regarding the resources used in
making paper and plastic
O
D. Experiments testing new processes that increase the speed at
which plastic breaks down
Analysis of existing data regarding the resources used in making paper and plastic (option C) is the type of research least likely to affect human society and the environment in the short term because it does not involve direct intervention.
The question seeks to evaluate which kind of research would be least likely to affect human society and the environment. Research that falls under options A, B, and D are designed to directly influence and improve human-environmental interactions by reducing pollution, understanding its harmful effects, and improving methods to mitigate such effects.
Option C, Analysis of the existing data regarding the resources used in making paper and plastic, would likely be the least impactful in the short term on human society and the environment. This type of research involves gathering and analyzing already existing information without directly experimenting or altering environmental or societal factors. It might inform future actions but does not immediately change any processes or behaviors.
The precautionary principle, which suggests that when the effects of a human activity are poorly understood, we must presume that some level of harm may exist to the environment and thus must proceed with that activity carefully, is relevant here. Analysis of existing data is a comparatively low-risk activity, offering insights without immediate physical intervention in the environment.
Who pioneered the use of galvanoplastic compounds for preserving footprints and ballistics?
OA Mathieu Orfila
B. Calvin Goddard
C. Edmon Locard
D. Alphonse Bertillon
E. Dr. Joseph Bell
Reset
Next
B. Calvin Goddard pioneered the use of galvanoplastic compounds for preserving footprints and ballistics.
Explanation:The pioneer in the use of galvanoplastic compounds for preserving footprints and ballistics is B. Calvin Goddard. Goddard, an American forensic scientist, developed a method called bullet identification or ballistics fingerprinting, which involved analyzing the unique markings left on bullets and cartridge cases. He made significant contributions to the field of forensic science and his work on ballistic identification revolutionized criminal investigations.
5
Biology Sem 1
Pretest: Unit 2
Question 17 of 34
1 Point
Which of the following do all living things share?
O
A. The same organs
are organs
O
B. The need to breathe
O
C. The same shape -
D. The same elements
< PREVIOUS
Answer:
B
Explanation:
All living things need to breathe, even the microorganism which breathe by a process called diffusion. They might breathe using different of mechanisms or organs but THE POINT IS THEY NEED TO BREATHE.
All living things need to breathe, even the microorganism which breathe by a process called diffusion. They might breathe using different of mechanisms or organs but The Point is they need to breathe.
What are Living organism?A living creature that has an organized structure, is capable of responding to stimuli, can reproduce, develop, adapt, and preserve homeostasis is referred to as an organism.
Hence, every animal, plant, fungus, protist, bacterium, or archaeon found on Earth would be considered an organism. There are numerous methods to categorize these species. Counting the number of cells that make it up is one method.
The single-celled (such as bacteria, archaea, and protists) and multicellular organisms are the two main categories. Biological entities can also be categorized based on their subcellular architecture.
Therefore, All living things need to breathe, even the microorganism which breathe by a process called diffusion. They might breathe using different of mechanisms or organs but The Point is they need to breathe.
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Which rocks are examples of chemical sedimentary rock? Check all that apply.
coal
iron ore
rock salt
limestone
sandstone
Answer:
Rock Salt (Halite), Limestone, Iron ore
Explanation:
Sandstone is a clastic sedimentary rock
Coal is an organic sedimentary rock.
Limestone, rock salt, and some types of coal are examples of chemical sedimentary rock. Iron ore and sandstone are not considered chemical sedimentary rocks.
Explanation:Chemical sedimentary rocks are formed by precipitation of minerals from water. Precipitation can be caused by several geological processes. A large amount of these rocks are composed of mineral salts and include examples such as limestone, rock salt, and even some types of coal.
However, iron ore and sandstone are not classified as chemical sedimentary rocks; they fall under different categories. Iron ore is formed from a chemical reaction, but it is generally classified as a mineral instead of a rock. Sandstone, on the other hand, is an example of a clastic sedimentary rock, not a chemical one.
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If nitrates are not assimilated into plants, what else could happen to them?
Answer:
Nitrate assimilation is a process through which nitrogen is acquired in green algae.The macro elements of nitrogen is the most essential and abundant component for living matter for growth and development and productivity.
Explanation:
If nitrates are not assimilated into plants then the green algae or Chloro phyte algae that require nitrogen which will be obtaining from nitrate will not enter into their body and as the result of this, their growth and development hampers and also it also decreases their productivity.
Antibiotics do not work against what
Answer:
antiboitics don't work against viruses as it has no " target " to viruses
Explanation:
please give brainliest i have helped you before just need 4 more brainliests
Fully describe the structure of a genetic material
Answer:
Genetic material is called DNA and RNA. DNA is the hereditary material found in the nucleus of eukaryotic cells (animal and plant) and the cytoplasm of prokaryotic cells (bacteria) that determines the composition of the organism. The DNA and histones are then packaged into chromosomes.
Explanation:
I have a cut on my toe. What do I need to do to make new skin cells to repair my toe?
A endocytosis
B meiosis
C mitosis
D natural selection
Mitosis will be needed to make new skin cells to repair my toe
Explanation:
The process of mitosis produces new cells which are required for the growth and repair of the cells and the body. In case of cut and damage mitosis produces identical cells and helps repair the damage caused by injury.
What is purpose of our life as humans evolved from million years of evolution...What is your view of your life....Why we have a consciousness?...What is consciousness anyway?
Answer:
The main purpose of everything that exist world is to create more suitable and better environment for future.
Explanation:
As humans are the most developed species in the globe because they have the power to evaluate and conceive the activities going on in the surrounding.The most valuable thing we humans have is the consciousness i.e. we know how things work and can modify it.By using this awareness ability we have been in the race of evolution through millions of years making our environment more advanced and better.Using the model presented, what is represented by A? Defend your answer.. A) A represents RNA. Translation is the synthesis of an RNA copy of a segment of DNA . B) A represents RNA. Transcription is the synthesis of an RNA copy of a segment of DNA . A represents protein. Translation is the synthesis of a protein using DNA as a template for the assembly of the protein D) A represents proteinTranscription is the synthesis of a protein using DNA as a template for the assembly of the protein.
Answer:
B
Explanation:
Although we cannot see the model present, the only correct option here is B.
A cannot be correct, as translation represents the synthesis of protein from an RNA template.
C cannot be correct, as protein synthesis uses RNA as a template.
D cannot be correct, as transcription is the synthesis of RNA from DNA.
B is correct, as transcription is the synthesis of an RNA copy of a segment of DNA
A farmer found that one tree in his pear orchard bore especially delicious fruit. Which method would most quickly provide a large crop of these pears?
Answer:
Grafting branches from this tree onto other trees in the orchard.
Explanation:
In the field of gardening, grafting can be described as a procedure in which a part of a plant such as the shoots with desirable traits is cut in an inclined manner and joined to the another plant's parts such as the roots or shoots. As a result, the two plants are united and they will grow. Such a technique will allow other crops to also produce delicious fruit. Hence, grafting is an effective technique used by farmers to produce more plants with favourable characteristics.
A. What gases were present in Earth's early atmosphere?
Answer:
The early atmosphere was probably mostly carbon dioxide, with little or no oxygen. There were smaller proportions of water vapour, ammonia and methane. As the Earth cooled down, most of the water vapour condensed and formed the oceans.
Explanation:
The gases that were present in Earth's early atmosphere are methane, ammonia, water vapour, and the noble gas neon,
What were Earth's early atmosphere?An atmosphere was primarily generated by gasses ejected by volcanoes when Earth cooled. It contained methane, hydrogen sulfide, and ten to 200 times the amount of carbon dioxide found in the atmosphere today. The Earth's surface cooled and cemented enough after roughly 500 million years for water to accumulate on it.Their research was initially focused on bodies the size of asteroids, but because methane was so prominent, they decided to expand their findings to Earth.
They came to the conclusion that the gas combinations utilized in the Miller–Urey synthesis of organic molecules, such as CH4, H2, H2O, N2, and NH3, were present in the early Earth's atmosphere.
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Which of the following can be used by scientists to date the sediment layer they are found in? Select all that apply.
radioactive isotopes
fossils
tree rings
animal growth rings
mineral elements
need answers ASAP please!!
Radioactive isotopes & fossils can be used by scientists to date the sediment layer they are found in
Explanation:
Carbon dating is one of the methods used to determine the age of rocks. Because C-14 has a half-life of 5,730 years by determining the amount of C-14 remaining in the rocks layer in relation to nitorgen-14, the stable element that it decays into.
The fossils embedded in the sediment layers can also be used to determine the relative age of the sediment layers. Older fossils are found are usually found in the lower layers of sediments while younger fossil are found in the upper layers of sediments.
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Final answer:
Radioactive isotopes, fossils, and tree rings are all valid methods for dating sediment layers. Radioactive isotopes are used in radiometric dating, fossils provide relative dating data, and tree rings offer precise dating through dendrochronology.
Explanation:
In the dating of sediment layers, multiple methods can be applied, each using different processes to indicate the age of materials. Among these, radioactive isotopes are key in a method known as radiometric dating, which can date igneous and metamorphic rocks and is also applicable to sediments containing organic material. Fossils themselves can provide relative dating information by their placement within rock layers; the deeper the fossil, the older it is presumed to be.
Dendrochronology, or tree rings dating, is another method used by scientists. This relies on the annual growth rings of trees to determine the age of sediments especially when the wood is found associated with those sediments. Animal growth rings, such as those found in mollusk shells or fish otoliths, can also provide data for dating sediment layers.
The presence of certain mineral elements may help to date a sediment layer, but it does not involve radioactive dating or organic processes, and therefore is less reliable than the aforementioned methods for precise dating purposes. Hence, radiometric dating using radioactive isotopes and dating through association with tree rings or fossils are particularly useful for dating sediment layers.
1. What might cause an increase or decrease of carbon dioxide in a given location such as in the atmosphere or buried under ground?
2. Carbon dioxide is often referred to as a greenhouse gas. What does that term mean?
3. What are some examples of ways Carbon can be a solid?
4. What are some example of ways Carbon can be a liquid?
5. How does Carbon cycle when going from PHOTOSYNTHESIS to CELL RESPIRATION?
1. The carbon-dioxide increases in atmosphere by fossil-fuels, decaying-dead, automobiles etc. and when animals or plant die they get buried and carbon content increases under the ground.
2. Greenhouse gas are those gases which trap heat in the atmosphere and maintain the temperature of the earth.
3. Diamond and graphite are solid forms of carbon.
4. Dry ice is the carbon as liquid.
5. Autotrophs make simple sugar glucose via photosynthesis and this sugar is used by heterotrophs as a substrate for respiration in the presence of oxygen.
Explanation:
When the fuels from automobiles, fossil-fuel, dead decaying organism release carbon in the atmosphere, the increase in carbon dioxide is the cause of global warming.
Greenhouse gases absorb the infrared radiations from the earth's surface and reradiate it back to the atmosphere. In short greenhouse gases allow sun's rays to pass through and maintain the earth's temperature otherwise the earth will become too cold to sustain lives.
Final answer:
Influences on atmospheric CO₂ include human emissions and natural processes like volcanic activity and respiration. CO₂ is a greenhouse gas that traps heat in the atmosphere, leading to global warming. Carbon cycles through photosynthesis and respiration, balanced between its uptake by plants and release by organisms.
Explanation:
Factors Influencing Atmospheric Carbon Dioxide
Several factors can cause an increase or decrease in carbon dioxide (CO₂) at a given location. Increases in CO₂ can result from human emissions such as burning fossil fuels, deforestation, and industrial processes. Natural processes that release CO₂ include volcanic activity and the respiration of living organisms. Decreases in atmospheric CO₂ can occur through photosynthesis, where plants convert CO₂ into organic carbon, and the long-term storage of organic carbon deep underground when it becomes fossilized.
Greenhouse Gases and Their Effects
Carbon dioxide is known as a greenhouse gas because it contributes to the greenhouse effect, which warms the planet by trapping heat in the atmosphere. The other two major greenhouse gases implicated in global warming are methane (CH₄) and nitrous oxide (N₂O). The outcome of increased greenhouse gases includes global temperature rise, climate change, and adverse effects on ecosystems.
States of Carbon
Carbon can exist as a solid in various forms, including coal, graphite, and diamonds. As a liquid, carbon is less common, but it can exist in liquid form under high pressure and temperature conditions, such as in industrial processes.
The Carbon Cycle: From Photosynthesis to Respiration
Carbon cycles through photosynthesis and respiration in a process that starts with photosynthesis, where plants convert CO₂ into organic carbon (e.g., glucose). Through the process of cell respiration, living organisms, including the plants themselves, convert organic carbon back into CO₂, which is then released back into the atmosphere.
- Which of the following is an interaction in which
both organisms are harmed
Competition!
hope this helps!
A chimp has 24 chromosomes in each of her body cells. How many chromosomes
would be in each of her eggs?
What is the definition of chemical energy
Answer:
Explanation:
Chemical energy, Energy stored in the bonds of chemical compounds. Chemical energy may be released during a chemical reaction, often in the form of heat; such reactions are called exothermic. ... The chemical energy in a battery can also supply electrical power by means of electrolysis.
Chemical energy is energy stored within the bonds of chemical substances. It can be released during a chemical reaction and is convertible, meaning it can transform from one form to another. This energy type is vital in both mechanical and biological processes.
Explanation:Chemical energy is a form of potential energy that is stored in the chemical bonds of substances. It's the energy held in the arrangement of atoms in a molecule and can be released during a chemical reaction. For instance, when gasoline is burned in a car engine, it releases stored chemical energy.
In the human body, chemical energy is found in the food we consume. The food is broken down and rearranged into molecules that our muscle cells convert into kinetic energy. Essentially, this type of energy is involved in making all life processes possible.
It's essential to note that chemical energy, like all other forms of energy, is neither created nor destroyed. Instead, it's converted from one form to another.
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What is one way vegetation has changed since the time of dinosaurs?
Final answer:
Vegetation has changed since the time of dinosaurs with the significant transition from gymnosperm-dominant to angiosperm-dominant flora, especially during the Cretaceous period, leading to angiosperms becoming the prevalent plants in forest ecosystems.
Explanation:
One significant way in which vegetation has changed since the time of the dinosaurs is the transition from gymnosperm-dominant to angiosperm-dominant flora. During the Cretaceous period, flowering plants (angiosperms) originated and gradually began to outcompete gymnosperms, such as seed ferns and conifers, for dominance in forests. By the end of the Mesozoic, angiosperms had become the prevalent plants in forest ecosystems, and this shift contributed to the transformation of many plains into grasslands.
The angiosperms' rise significantly altered the planet's biodiversity. Their flowers and fruits provided new sources of food, creating new niches for birds, insects, and mammals. This change was pivotal for the diversification of these groups. The breakup of Pangea resulted in isolated island continents where these evolving creatures followed unique evolutionary paths, further shaping the Earth's biological diversity.
Three reasons why earth is a unique planet ?
Answer:
First it has the right amount of water, second earth has the right amount of oxygen, last is that it is not to close or far from the sun.
One of nature’s most unique proteins provides cells with an abrasion-resistant, a condition known as:
A) stratum germinativum
B) dermal papilla
C) melanin
D) keratin
Answer:
The correct answer is D) Keratin.
Explanation:
Keratin is a fibrous protein produced by epithelial cells called keratinocytes. They form the tough structural parts of the body like nails, claws, hairs, horns, etc, which are resistant to abrasion, wear and tear.Melanin is a protein pigment produced by cells called melanocytes. Skin gets coloured due to this pigment.The epidermis of the skin is divided into five layers: Stratum germinativum, Stratum spinosum, Stratum granulosum, Stratum lucidum and Stratum corneum.The Stratum germinativum is the deepest layer found in the epidermis and is made up of a single cuboidal or columnar epithelial cell layer. Dermal papilla is formed by the finger-like intrusion of the dermis layer of the skin into the epidermis. It is mainly responsible for providing oxygen and nutrients to the lower layers of the epidermis.
Which term names the total collection of DNA in an organism?
genetic modification
genotype
protein sequence
genome
The term which names the total collection of DNA in an organism is Genome.
Answer: Option D.
Explanation:
The Genome of a living creature is the whole of its genetics information that is converted and stored in its DNA. Genome consists of genes which influence the characteristics of every organism.
The term Genome was first coined by Winkler in the year 1920. The term is generally applied for the total set or collection of a nuclear DNA. Every human’s genome consists of a DNA of 3.2 billion bases. The size of genome differs from organism to organism.
Answer:
Genome is the term that names the total collection of DNA in an Organism.
Explanation:
An genome of an organism stores complete or entire set of DNA .It provides all of the information that is needed for an organism to function properly.These genome is stored in long molecules of DNA known as chromosomes. Small sections of DNA, genes are small sections of DNA that code for the RNA and protein molecules that is needed by the organism. In eukaryotes, genome is packed within a membrane-bound structure called the nucleus.In Prokaryotes Genomes are stored in a region of the cytoplasm called the nucleoid. Transcriptome is the full range of RNA molecules expressed by a genome and proteome is the full assortment of proteins given by the genome .
Which statement does NOT describe properties of a proton?
CHOICE A: Protons are attracted to negatively-charged electrons.
CHOICE B: A proton has a mass of approximately 1 dalton
CHOICE C: Protons have an overall neutral charge.
CHOICE D: Protons are located within the nucleus of the atom.
The effect of haze on environment
Haze can cause a foggy environment with very low visibility and also affects the photosynthesis process
Explanation:
The low visibility due to haze can cause health hazards to animals and human beings. There will be accidents and also health issues like breathing problem, eye irritation etc.
There are multiple uses to photosynthesis, haze can badly affect the photosynthesis process. Due to the insoluble aerosols on the leaf surface will cause lower photosynthesis, low yield, lower carbon dioxide reduction and the increased greenhouse effect. Increased greenhouse gases will heat the earth's atmosphere.
Final answer:
Haze, characterized by suspended particles like dust and smog, not only causes haze-effect cooling by blocking sunlight and lowering global temperatures but also significantly impacts human health and ecosystems. It leads to visibility impairment, lung damage, and contributes to acid rain, affecting both aquatic life and terrestrial vegetation. Efforts to mitigate and monitor the effects of haze, especially in urban and industrial areas, are essential for ensuring environmental and public health.
Explanation :The Effects of Haze on the Environment
Haze is a form of air pollution characterized by the presence of particles like dust, ash, and smog in the air. This condition not only impairs visibility but also has wide-ranging adverse effects on the environment, human health, and climate. The phenomenon known as haze-effect cooling illustrates how suspended particles can block out sunlight, leading to lower global temperatures. Notable instances of this occurred in 1783 and 1784 in Europe and North America, showcasing some of the lowest average winter temperatures on record.
Impact on Human Health and Ecosystems
Urban areas across the globe, including cities in India and China, often experience degraded air quality due to haze. This air pollution comes with several health threats, such as eye irritation, coughing, and more severe impacts including lung damage and exposure to carcinogenic compounds. Notably, emissions from burning fossil fuels contribute to this problem by releasing harmful substances like sulfur oxides and nitrogen oxides into the atmosphere, creating acid rain that severely affects aquatic ecosystems and soil organisms.
Visibility and Aesthetic Value of the Atmosphere
Aside from health concerns, haze compromises the aesthetic value of our environment by obscuring visibility in natural areas and creating unpleasant conditions. For instance, many of the United States' national parks and wilderness areas are affected, detracting from their natural beauty and the well-being of visitors. Clear, clean air free of pollutants not only contributes to good health but also enhances our experience and enjoyment of outdoor spaces.
Efforts to monitor and mitigate the environmental impacts of haze, particularly from sources like domestic fuel burning, are crucial. However, in many parts of the world, such as Africa, monitoring is virtually non-existent, making it challenging to guide policy decisions and legislations.
Question 18(Multiple Choice Worth 3 points)
(04.03 HC)
Synthetic compounds that mimic the biological function of the sex hormone estrogen have been found in the marine environment. How would this pollutant be
classified, and why is this a public health concer?
It is a pathogen. It might disrupt growth and development in marine organisms.
It is an environmental pollutant. It might disrupt sexual reproduction in marine organisms.
It is a genetic factor. It might be toxic to marine organisms and lead to death, changing the population structure.
It is both a pathogen and an environmental pollutant. It might lead to food shortages.
Answer:
It is an environmental pollutant. It might disrupt sexual reproduction in marine organisms.
Explanation:
It is a pathogen. It might disrupt growth and development in marine organisms. - false. Estrogen and similar synthetic compounds cannot be classified as a pathogen. Pathogens are microorganisms that cause disease. Estrogen is a hormone, not a pathogen.
It is an environmental pollutant. It might disrupt sexual reproduction in marine organisms. - true. In this case, synthetic chemicals that mimic estrogen function have leaked into the environment, meaning it is an environmental pollutant. Because estrogen is a sex hormone that exists in all vertebrates (not just humans), its artificial existence in the environment will cause effects in marine life when exposed to it. This could interfere with sexual reproduction.
It is a genetic factor. It might be toxic to marine organisms and lead to death, changing the population structure - false. Although esrtogen can impact gene expression, it will not be considered a genetic factor. It would also unlikely be toxic to marine life, as they also possess estrogen.
It is both a pathogen and an environmental pollutant. It might lead to food shortages - false. Estrogen cannot be classified as a pathogen.
2 Points
How are the rates of use and renewal of game animals regulated?
A. Via prescribed burns
O
B. Via hunting licenses
O
c. Via deforestation
D. Via factory farming
Answer:B. Via hunting licenses
Explanation:B. Via hunting licenses
An electric current is trying to move through an atom. How do protons and electrons impact the
movement of electricity?
Answer:
Electric current is the flow of electrons and they carry negative charge so electrons inside an atom repels the flow where as a proton attracts the flow.
Explanation:
Electricity is the process of flow of electrons. During the flow these electrons share bonds or even transfer them. These electrons get energy when the potential difference is applied to a conductor that is moving in the direction from low to high therefore, the electrons move from one to another creating electricity. Though the electron repels the continuous flow but proton develops the force of attraction.Protons remain stationary in the nucleus, while electrons, as charge carriers, drift through atoms, generating electric current by moving from atom to atom.
In the context of electric current flow through an atom, both protons and electrons play essential roles. Protons, residing in the nucleus, remain stationary and do not contribute directly to current flow. Conversely, electrons, which orbit the nucleus, are the charge carriers responsible for electricity movement.
When a potential difference is applied across a conductor containing atoms, electrons experience a force and begin to move. However, they don't freely traverse through the nucleus due to the attraction between the positively charged protons and negatively charged electrons. Instead, electrons drift through the electron cloud, moving from atom to atom in a coordinated fashion.
This movement constitutes electric current. As electrons move, they collide with atoms, transferring energy and generating heat. In conductors, like metals, electrons move relatively freely, facilitating efficient current flow. In insulators, such as ceramics, electrons are tightly bound to atoms, hindering current flow.
Overall, while protons remain stationary, electrons' mobility and interactions with atoms determine the conductivity and characteristics of electric current in materials.
Do you think all organisms rely on the sun in part for energy?
Answer:
No
Explanation:
Some organisms require diffrent type of treatment to live, than others. They can just eat bacteria and live without the sun.
Ex. giant tube worms, etc.
Answer:
yes my friend.
Explanation:
All living organisms rely or the sun in part of energy.
we are also depend upon the plant . so we or organisms are depend upon the producers whereas the producers depend upon the other abiotic factors such as sunlight , oxygen , carbondioxide for prepareing food which is used by all living organisms for survive.
now, explanation
temeperature is transmit from hotter body to the coller body.
here, we have the sun as a hotter body
we are cooler body comperative to the sun.
so sun's heat is transmit to the all living organisms helps to give light , heat and solar energy also. sun is the prepetual source whose amount is neither increase nor decrease.
as you all know that, death body temperature is very low. because their body cannot get from the sun or from other sources.
so, if you cannot get the heat from other body you may die there.
by heating our body we get differnt kinds of energy and we can do our various works easily un our daily life.
so, sun is essential for all living organisms in part of energy.